:root {
  --primary-color: #113B7A;
  --secondary-color: #1D5FD1;
  --card-bg: #10233F;
  --text-main: #F3F8FF;
  --text-secondary: #AFC4E8;
  --border-color: #244D84;
  --glow-color: #4FA8FF;
  --gold-color: #F2C14E;
  --divider-color: #1B3357;
  --deep-navy: #08162B;
  --btn-gradient: linear-gradient(180deg, #2B73F6 0%, #1144A6 100%);
}

.page-tin-tuc {
  background-color: var(--deep-navy); /* Base background, text color will be light */
  color: var(--text-main);
  font-family: Arial, sans-serif;
  line-height: 1.6;
}

.page-tin-tuc__container {
  max-width: 1170px;
  margin: 0 auto;
  padding: 20px 16px;
  box-sizing: border-box;
}

/* HERO Section */
.page-tin-tuc__hero-section {
  padding-top: 10px; /* Small top padding, assuming body handles header offset */
  padding-bottom: 60px;
  background-color: var(--deep-navy);
  color: var(--text-main);
}

.page-tin-tuc__hero-container {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 40px;
  max-width: 1170px;
  margin: 0 auto;
  padding: 40px 16px;
  box-sizing: border-box;
}

.page-tin-tuc__hero-content {
  flex: 1 1 50%;
  min-width: 300px;
}

.page-tin-tuc__main-title {
  font-size: clamp(2.2em, 4vw, 3.2em);
  font-weight: 700;
  margin-bottom: 20px;
  line-height: 1.2;
  color: var(--gold-color);
}

.page-tin-tuc__description {
  font-size: 1.1em;
  margin-bottom: 30px;
  color: var(--text-secondary);
}

.page-tin-tuc__cta-buttons {
  display: flex;
  gap: 15px;
  flex-wrap: wrap;
}

.page-tin-tuc__btn-primary,
.page-tin-tuc__btn-secondary {
  display: inline-block;
  padding: 14px 28px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 700;
  font-size: 1.05em;
  transition: all 0.3s ease;
  box-sizing: border-box;
  text-align: center;
  white-space: normal;
  word-wrap: break-word;
}

.page-tin-tuc__btn-primary {
  background: var(--btn-gradient);
  color: var(--text-main);
  border: 2px solid transparent;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.page-tin-tuc__btn-primary:hover {
  opacity: 0.9;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

.page-tin-tuc__btn-secondary {
  background-color: transparent;
  color: var(--glow-color);
  border: 2px solid var(--glow-color);
}

.page-tin-tuc__btn-secondary:hover {
  background-color: var(--glow-color);
  color: var(--deep-navy);
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(79, 168, 255, 0.3);
}

.page-tin-tuc__hero-image {
  flex: 1 1 40%;
  min-width: 300px;
  text-align: center;
}

.page-tin-tuc__hero-side-image {
  max-width: 100%;
  height: auto;
  border-radius: 12px;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.4);
}

/* News List Section */
.page-tin-tuc__news-list-section {
  padding: 60px 0;
  background-color: var(--deep-navy);
}

.page-tin-tuc__section-title {
  font-size: clamp(1.8em, 3.5vw, 2.8em);
  font-weight: 700;
  text-align: center;
  margin-bottom: 40px;
  color: var(--gold-color);
}

.page-tin-tuc__intro-text {
  text-align: center;
  max-width: 800px;
  margin: 0 auto 50px;
  font-size: 1.05em;
  color: var(--text-secondary);
}

.page-tin-tuc__news-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
}

.page-tin-tuc__news-card {
  background-color: var(--card-bg);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  height: 100%; /* Ensure cards have equal height */
  display: flex;
  flex-direction: column;
}

.page-tin-tuc__news-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.4);
}

.page-tin-tuc__card-link {
  text-decoration: none;
  color: inherit;
  display: flex;
  flex-direction: column;
  height: 100%;
}

.page-tin-tuc__card-image {
  width: 100%;
  height: 220px; /* Fixed height for consistent card image display */
  object-fit: cover;
  display: block;
}

.page-tin-tuc__card-content {
  padding: 25px;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.page-tin-tuc__card-title {
  font-size: 1.4em;
  font-weight: 600;
  margin-bottom: 10px;
  color: var(--text-main);
  line-height: 1.3;
}

.page-tin-tuc__card-meta {
  font-size: 0.9em;
  color: var(--text-secondary);
  margin-bottom: 15px;
}

.page-tin-tuc__card-excerpt {
  font-size: 1em;
  color: var(--text-secondary);
  flex-grow: 1;
}

.page-tin-tuc__view-all-button-container {
  text-align: center;
  margin-top: 50px;
}

/* FAQ Section */
.page-tin-tuc__faq-section {
  padding: 60px 0;
  background-color: var(--deep-navy);
}

.page-tin-tuc__faq-list {
  max-width: 900px;
  margin: 0 auto;
}

.page-tin-tuc__faq-item {
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  margin-bottom: 15px;
  overflow: hidden;
  color: var(--text-main);
}

.page-tin-tuc__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 25px;
  font-size: 1.15em;
  font-weight: 600;
  cursor: pointer;
  color: var(--gold-color);
  position: relative;
  list-style: none; /* For details/summary */
}

.page-tin-tuc__faq-question::-webkit-details-marker {
  display: none; /* Hide default marker */
}

.page-tin-tuc__faq-toggle {
  font-size: 1.5em;
  line-height: 1;
  margin-left: 15px;
  color: var(--glow-color);
}

.page-tin-tuc__faq-answer {
  padding: 0 25px 20px;
  font-size: 1em;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* CTA Section */
.page-tin-tuc__cta-section {
  padding: 80px 0;
  background-color: var(--primary-color);
  text-align: center;
  color: var(--text-main);
}

.page-tin-tuc__section-title--cta {
  color: var(--gold-color);
  margin-bottom: 25px;
}

.page-tin-tuc__cta-description {
  max-width: 800px;
  margin: 0 auto 40px;
  font-size: 1.1em;
  color: var(--text-secondary);
}

/* Responsive Styles */
@media (max-width: 1024px) {
  .page-tin-tuc__hero-container {
    flex-direction: column-reverse;
    text-align: center;
  }

  .page-tin-tuc__hero-content,
  .page-tin-tuc__hero-image {
    flex: 1 1 100%;
  }

  .page-tin-tuc__cta-buttons {
    justify-content: center;
  }
}

@media (max-width: 768px) {
  .page-tin-tuc__hero-section {
    padding-top: 10px !important;
    padding-bottom: 40px;
  }

  .page-tin-tuc__hero-container {
    padding: 20px 15px;
    gap: 20px;
  }

  .page-tin-tuc__main-title {
    font-size: 2.2em;
    margin-bottom: 15px;
  }

  .page-tin-tuc__description {
    font-size: 1em;
    margin-bottom: 20px;
  }

  .page-tin-tuc__cta-buttons {
    flex-direction: column;
    gap: 10px;
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
    padding: 0 15px;
  }

  .page-tin-tuc__btn-primary,
  .page-tin-tuc__btn-secondary {
    width: 100% !important;
    max-width: 100% !important;
    padding: 12px 20px;
    font-size: 1em;
    white-space: normal !important;
    word-wrap: break-word !important;
  }

  .page-tin-tuc__section-title {
    font-size: 2em;
    margin-bottom: 30px;
  }

  .page-tin-tuc__intro-text {
    font-size: 0.95em;
    margin-bottom: 30px;
    padding: 0 15px;
  }

  .page-tin-tuc__news-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .page-tin-tuc__card-image {
    height: 180px; /* Adjust for smaller screens */
  }

  .page-tin-tuc__card-title {
    font-size: 1.2em;
  }

  .page-tin-tuc__card-content {
    padding: 20px;
  }

  .page-tin-tuc__faq-question {
    font-size: 1em;
    padding: 15px 20px;
  }

  .page-tin-tuc__faq-answer {
    padding: 0 20px 15px;
    font-size: 0.95em;
  }

  .page-tin-tuc__cta-section {
    padding: 60px 0;
  }

  .page-tin-tuc__cta-description {
    font-size: 1em;
    padding: 0 15px;
  }

  /* General image responsiveness */
  .page-tin-tuc img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    display: block;
  }

  /* All content containers for mobile padding */
  .page-tin-tuc__section,
  .page-tin-tuc__card,
  .page-tin-tuc__container,
  .page-tin-tuc__news-list-section .page-tin-tuc__container,
  .page-tin-tuc__faq-section .page-tin-tuc__container,
  .page-tin-tuc__cta-section .page-tin-tuc__container {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
  }
}